Display screen or portion thereof with icon



FIG. 1 is a front view of display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of another embodiment of the display screen or portion thereof with icon.

The dot dash lines in the figures illustrate a boundary line and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 